Kenneth L. Judd is a Senior Fellow at the Hoover Institution at Stanford University. He is a leading scholar in computational economics, mathematical economics, public finance, and industrial organization. His research has developed computational methods for solving economic models and applied them to questions in taxation, antitrust, macroeconomics, and climate policy. He has served as coeditor of the RAND Journal of Economics and the Journal of Economic Dynamics and Control, and as associate editor of the Journal of Public Economics. His book Numerical Methods in Economics, published by MIT Press, has become a standard reference in computational economics. He holds undergraduate degrees in mathematics and computer sciences, an MA in mathematics, an MA in economics, and a PhD in economics, all from the University of Wisconsin. He is a Fellow of the Econometric Society. His email is judd@stanford.edu.